How To Fix CY648 - GANTT chart: Function triggered

SAP Error Message - Details

• Message type: E = Error

• Message class: CY - Capacity Requirements Planning

• Message number: 648

• Message text: GANTT chart: Function triggered

What causes this issue?

The Gantt chart has triggered the function "Alive". It is triggered so
as to maintain the connection between the Gantt chart as a graphical
front end and the ABAP program.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CY648 - GANTT chart: Function triggered ?

  The SAP error message CY648, which states "GANTT chart: Function  triggered," typically occurs in the context of SAP's Project System (PS) or Production Planning (PP) modules when working with GANTT charts. This error can be related to various issues, including system performance, data inconsistencies, or specific configurations in the GANTT chart settings.
  Cause:
  
  Performance Issues: The GANTT chart may be trying to process a large amount of data, leading to performance bottlenecks.
  Data Inconsistencies: There may be inconsistencies or errors in the underlying data that the GANTT chart is trying to display.
  Configuration Issues: Incorrect settings or configurations in the GANTT chart or related modules may trigger this error.
  System Limitations: The system may have limitations in terms of memory or processing power, especially if the GANTT chart is complex or involves many tasks.
  
  Solution:
  
  Check Data Integrity: Ensure that all relevant data (e.g., project data, task dependencies, resources) is consistent and correctly entered in the system.
  Optimize Performance:
  
  Reduce the amount of data being processed by filtering or limiting the scope of the GANTT chart.
  Consider breaking down large projects into smaller, more manageable parts.
  
  
  Review Configuration: Check the configuration settings for the GANTT chart and ensure they are set up correctly. This may involve consulting with your SAP administrator or support team.
  System Resources: Monitor system performance and resource usage. If necessary, consider upgrading hardware or optimizing system settings to improve performance.
  SAP Notes and Support: Check the SAP Support Portal for any relevant SAP Notes or patches that may address this specific error. Sometimes, there are known issues with specific versions of SAP that have been documented and resolved in later updates.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for GANTT charts and the Project System module for more detailed information on configuration and troubleshooting.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to diagnose and resolve the CY648 error related to the GANTT chart in SAP.